sun .5deg.comSunrise, Sunset, Solar noon and Sun position here: Vĩnh Yên, Vietnam (Vĩnh Phúc), for period: January 2026. Longest day in month: January 2026: 11 hours, 11 minutes, 38 seconds (2026-01-31). Shortest day in this month: 10 hours, 51 minutes , 50 seconds (2026-01-01).
:January 2026, Solar noon=>Altitude: maximal 51.19° (2026-01-31, 12:10:57). minimal: 45.65° (2026-01-01, 12:01:00)
Table view of above data:
| date | Day | Sunrise | Solar noon | Sunset | Day Length |
| 01 | Thursday | 06:35:05 | 12:01:00 | 17:26:55 | 10h 51m 50s |
| 02 | Friday | 06:35:24 | 12:01:28 | 17:27:33 | 10h 52m 9s |
| 03 | Saturday | 06:35:41 | 12:01:56 | 17:28:11 | 10h 52m 30s |
| 04 | Sunday | 06:35:58 | 12:02:24 | 17:28:49 | 10h 52m 51s |
| 05 | Monday | 06:36:13 | 12:02:51 | 17:29:28 | 10h 53m 15s |
| 06 | Tuesday | 06:36:27 | 12:03:17 | 17:30:08 | 10h 53m 41s |
| 07 | Wednesday | 06:36:39 | 12:03:43 | 17:30:47 | 10h 54m 8s |
| 08 | Thursday | 06:36:51 | 12:04:09 | 17:31:27 | 10h 54m 36s |
| 09 | Friday | 06:37:01 | 12:04:34 | 17:32:07 | 10h 55m 6s |
| 10 | Saturday | 06:37:10 | 12:04:59 | 17:32:48 | 10h 55m 38s |
| 11 | Sunday | 06:37:17 | 12:05:23 | 17:33:28 | 10h 56m 11s |
| 12 | Monday | 06:37:23 | 12:05:46 | 17:34:09 | 10h 56m 46s |
| 13 | Tuesday | 06:37:28 | 12:06:09 | 17:34:50 | 10h 57m 22s |
| 14 | Wednesday | 06:37:32 | 12:06:31 | 17:35:30 | 10h 57m 58s |
| 15 | Thursday | 06:37:34 | 12:06:53 | 17:36:11 | 10h 58m 37s |
| 16 | Friday | 06:37:35 | 12:07:13 | 17:36:52 | 10h 59m 17s |
| 17 | Saturday | 06:37:34 | 12:07:34 | 17:37:33 | 10h 59m 59s |
| 18 | Sunday | 06:37:32 | 12:07:53 | 17:38:14 | 11h 0m 42s |
| 19 | Monday | 06:37:29 | 12:08:12 | 17:38:54 | 11h 1m 25s |
| 20 | Tuesday | 06:37:25 | 12:08:30 | 17:39:35 | 11h 2m 10s |
| 21 | Wednesday | 06:37:19 | 12:08:47 | 17:40:15 | 11h 2m 56s |
| 22 | Thursday | 06:37:12 | 12:09:04 | 17:40:56 | 11h 3m 44s |
| 23 | Friday | 06:37:03 | 12:09:19 | 17:41:36 | 11h 4m 33s |
| 24 | Saturday | 06:36:53 | 12:09:34 | 17:42:15 | 11h 5m 22s |
| 25 | Sunday | 06:36:42 | 12:09:49 | 17:42:55 | 11h 6m 13s |
| 26 | Monday | 06:36:30 | 12:10:02 | 17:43:34 | 11h 7m 4s |
| 27 | Tuesday | 06:36:16 | 12:10:14 | 17:44:13 | 11h 7m 57s |
| 28 | Wednesday | 06:36:01 | 12:10:26 | 17:44:52 | 11h 8m 51s |
| 29 | Thursday | 06:35:44 | 12:10:37 | 17:45:30 | 11h 9m 46s |
| 30 | Friday | 06:35:27 | 12:10:47 | 17:46:08 | 11h 10m 41s |
| 31 | Saturday | 06:35:08 | 12:10:57 | 17:46:46 | 11h 11m 38s |